Overhill Farms, 21st Century get 52-week highs while THQ, Hot Topic and Trio Tech lose ground.

Shares in Overhill Farms Inc., in Vernon, shot up 63.9 percent for the week after it announced it had secured a deal with a “major food brand” that could be worth as much as $43 million. The stock gained $1.89 for the week to close out at a new 52-week high of $4.85.

21st Century Insurance Group also had a good week, seeing its shares shoot up 27.8 percent for the week due to a proposed buyout offer from insurance giant American International Group Inc. (AIG). Shares in the Woodland Hills insurer hit a 52-week high on Thursday, gaining $4.56 for the week, and closed Friday at $20.95, indicating shareholders expect a little better price than the $19.75 per share AIG offered.

Lastly, shares in International Rectifier rode strong earnings to gain 13.5 percent for the week, closing up $5.04 to $42.35.

On the down side was Agora Hills videogame developer THQ Inc., which lost 8.3 percent after the company regained NASDAQ compliance and a week ahead of its annual earnings, which many analysts feel will impress. Shares in THQ closed the week down $2.79 at $30.76. City of Industry-based clothing retailer Hot Topic Inc., which continues to struggle since a poor holiday performance, lost 8.1 percent to close at $10.22. Finally, Trio Tech International, a Van Nuys company that makes computer chip testing equipment, lost 7.2 percent to close the week out at $10.68.